Contents

# frozen_string_literal: true

# Exponential backoff retry wrapper
class ExpRetry
  def initialize(retries: 3, exception: StandardError)
    @retries = retries
    @exception = exception
  end

  def call
    yield if block_given?
  rescue *@exception => e
    check(e)
    retry
  end

  private

  def check(e)
    retried > @retries ? raise(e) : delay(e)
  end

  def retried
    @retried ||= 0
    @retried += 1
  end

  def delay(e)
    puts "*** #{e}. Retrying in #{2**@retried} seconds..."
    sleep 2**@retried
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
exp_retry-0.0.7	lib/exp_retry.rb
exp_retry-0.0.6	lib/exp_retry.rb